From 48ce805683461f0205e5b1baa2385a0cb425388e Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 15 Apr 2020 17:15:29 +0300 Subject: [PATCH] gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce() More usual pattern is to prepare value and then write it in a single place. Switch code in dwapb_gpio_set_debounce() to it. Signed-off-by: Andy Shevchenko Tested-by: Serge Semin Reviewed-by: Serge Semin Link: https://lore.kernel.org/r/20200415141534.31240-10-andriy.shevchenko@linux.intel.com Signed-off-by: Linus Walleij --- drivers/gpio/gpio-dwapb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 4edac592c253..0b073cbc003b 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -327,9 +327,10 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc, val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE); if (debounce) - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb | mask); + val_deb |= mask; else - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb & ~mask); + val_deb &= ~mask; + dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb); spin_unlock_irqrestore(&gc->bgpio_lock, flags);